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Watch Robert Lewandowski relive scoring five goals in nine minutes as a substitute while playing under Manchester City boss Pep Guardiola at his former club Bayern Munich.
The Poland striker's current club Barcelona host Bayern in the Champions League on Wednesday.
Watch 'Pep Guardiola: Chasing Perfection' on BBC iPlayer and you can delve deeper with a four-part podcast series on BBC Sounds - 'Sporting Giants'.
Available to UK users only.